NJ7P SQL Tube Database Query

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6EF6
Beam Power Amplifier

EIA Base & Outline

EIA Base: 7SEIA Bulb: 9-13 9-42

Substitute Data

Preferred Substitutes ......................... 6EY6 6EZ5
Source ........................................ ARRL HB - 1964

Mechanical Data

Source ........................................ ARRL HB - 1964
Bulb .......................................... T-9
EIA Outline ................................... 9-13 9-42
EIA Base ...................................... 7S

Electrical Data

Source ........................................ ARRL HB - 1964
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A

Direct Interelectrode Capacitances (approx)

Beam Pentode
Source ........................................ ARRL HB - 1964
Input ......................................... 11.5 pf
Output ........................................ 9 pf
Grid to Plate ................................. 0.8 pf

Maximum Ratings (Design Center Values)

Beam Pentode
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 10 W
Grid No. 2 Dissipation ........................ 2.0 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ ARRL HB - 1964
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Grid No. 1 Voltage ............................ -18 V
Transconductance .............................. 5000 µMho
Plate Current ................................. 50 mA
Grid No. 2 Current ............................ 2 mA

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Thu, 18 Aug 2022 16:08:07 -0700